Enols, Enolates

30. 下列反應生成主要產物結構為何？ (A) (B) (C) (D)&nbs...
7. When compared to the keto form, the enol form of which of the following compounds is most stable?
30. 當 2-methylcyclohexanone 在鹼催化下以過量 D2O 處理，會有幾個 D 原子加入此有機化合物中？ (A) 0 (B) 1 (C) 2 (D) 3
18. (S)-2-Methylbutanal __________ upon sitting in an acidic or a basic aqueous solution. (A) racemizes (B) esterifies...
15. Which one of the following compounds would undergo racemization at the α-stereocenter in presence of a base? (A) I (...
I. Choose one correct answer for the following questions 【單選題】每題 1 分，共計 60 分，答錯 1 題倒扣 0.25 分，倒扣至...
29. 請選出完成右列反應最適當的試劑為何？ (A) 溴，氫氧化鈉 (B) 溴，醋酸 (C) 溴化氫，水 (D) N-溴琥珀醯亞胺(NBS)
27. 治療糖尿病藥物 Rosiglitazone 的主要化學官能基為羧酸，請問下列那個反應可以產生羧酸官能基？ (A) Haloform 反應 (B) Bir...

寬識(已上榜、感謝阿摩與前輩)